The story revolves around the employees of Incheon Airport. Han Yeo-ryeom has recently started working there as a service manager. Go In-sob has joined as a member of the mooring operations team, while Lee Su-yeong has always dreamed of being a pilot but had to give up his cherished desire due to an injury he sustained at a young age. Han and Lee meet and soon a friendship develops between them, which gradually turns into something more...